coast. high clouds beginning to move in. we have basically mid-50s to mid-60s, highs have been in the mid-60s to low 70s. here are the highlights. showers arriving tomorrow. we look at the cold night heading into weechblgd may see frost next week. tomorrow morning, it's going to be cold. i r i would grab an umbrella ask a ket or heavy jacket. temperatures down to mid-40s. 45 in santa rosa. 48 in livermore, 47 degrees in fairfield. cool around the bay. temperatures into low 50s and clouds around tonight. this is a cold storm. it's going to produce winter like weather here in the bay area, thursday, 5:00 a.m.